Home / 151,973,279.65-209,723,305.22-82,358,660.35

Finding the Fourth Proportional to 151,973,279.65, 209,723,305.22 and 82,358,660.35

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Solution

The fourth proportional to 151,973,279.65, 209,723,305.22 and 82,358,660.35 is: 113,655,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,279.65 : 209,723,305.22 = 82,358,660.35 : x
  2. Step 2: Convert to fraction form
    151,973,279.65/209,723,305.22 = 82,358,660.35/x
  3. Step 3: Cross multiply
    151,973,279.65x = 209,723,305.22 × 82,358,660.35
  4. Step 4: Simplify right side
    151,973,279.65x = 17,272,530,461,681,568
  5. Step 5: Solve for x
    x = 17,272,530,461,681,568/151,973,279.65
  6. Step 6: Final answer
    x = 113,655,048.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.